Publication Abstract

Proceedings of the Deep Mixing 2015 Conference, (DFI)

Hybrid Energy System Installed on Deep Mixing Barge
Kento Miyamoto, TOA Corporation, Japan; Kazuki Imamura, TOA Corporation, Japan; Takayuki Tanaka, TOA Corporation, Japan

Global economic development has drastically increased energy consumption in various fields, and CO2 emissions, which are a prime cause of global warming, have continued to increase. Therefore, measures for reduction of the load on the environment have been taken in various areas. Energy improvements of various types of work vessels used for offshore construction might be expected to greatly reduce consumption of fossil fuel, because many of these vessels are larger than land construction machinery and consume large amounts of fuel, which will lead to effective use of resources and alleviation of the load on the environment. However, such efforts are unusual because renewal or newbuilding of work vessels is rare. We developed a work-vessel hybrid energy system based on fuel-saving technology and use of natural energy to promote reduction of CO2 emissions for a large deep mixing barge in 2010. We developed an Automated Generator Start-Stop System, which automatically controls the number of active generators according to power demand during ground-improving work of the deep mixing barge in 2012, thus further improving the work-vessel hybrid energy system. These systems are introduced here.

 article #2113; publication #1013 (DM-2015)